code: def split_key(self):
      parts = self.key.split("#", 1)
      if len(parts) == 2:
          return parts
      return None, parts[0]
  
imports: from shlex import quote
label_desc: Use image node_id 4 for calling the Scalar obj's underlying member method code with example usage: obj.split_key() and returns: None,  parts, parts